Patents by Inventor Yuzhen Guan

Yuzhen Guan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Negative active material, preparation method thereof, secondary battery and related battery module, battery pack and device
    Patent number: 11973215
    Abstract: The present application discloses a negative active material, preparation process thereof and a secondary battery and the related battery module, battery pack and device. The negative active material comprises a core material and a modified polymer coating layer coated on at least a part of the outer surface of the core material, the core material comprises one or more of silicon-based materials and tin based materials, the coating layer comprises carbon element and nitrogen element, wherein the nitrogen element is present in the negative active material in a mass percentage of 0.1%˜0.66%, and the coating layer comprises a —C?N-linkage.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: April 30, 2024
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Chengdu Liang, Yingjie Guan, Yuzhen Zhao, Yan Wen, Qisen Huang
  • Positive electrode active material and preparation method therefor, positive electrode plate containing same, secondary battery, and power consuming device
    Patent number: 11916229
    Abstract: A positive electrode active material and a preparation method therefor, a positive electrode plate containing same, a secondary battery, and a power consuming device are provided. The positive electrode active material has a core-shell structure, comprising an inner core and a shell coating the inner core, wherein the inner core comprises Li1+xMn1?yAyP1?zRzO4, and the shell comprises a first coating layer coating the inner core, and a second coating layer coating the first coating layer, and a third coating layer coating the second coating layer. The positive electrode active material of the present application enables the secondary battery to have a higher energy density, and a good rate performance, cycling performance and safety performance.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: February 27, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Qingyan Ma, Yuzhen Zhao, Yingjie Guan, Yan Wen, Qisen Huang
  • 13-oxidized ingenol derivative and use thereof
    Patent number: 11753363
    Abstract: The present invention relates to a derivative of 13-oxidized ingenol, use thereof in the prevention and/or treatment of a disease associated with proliferation or tumor in a subject, or a cosmetic indication, and use thereof in the prevention and/or treatment of a disease responsive to neutrophil oxidative burst, a disease responsive to a release of IL-8 by keratinocyte, or a disease responsive to induction of necrosis.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: September 12, 2023
    Assignee: Tianjin Pharmaceutical Da Ren Tang Group Corp., Ltd. Traditional Chinese Medicine Research Institute
    Inventors: Xiao Wu, Qin Pan, Yanyun Li, Yu Yang, Yuzhen Guan, Xiaolei Wu, Chuanteng Sun, Yuan Wang
  • 13-OXIDIZED INGENOL DERIVATIVE AND USE THEREOF
    Publication number: 20210147334
    Abstract: The present invention relates to a derivative of 13-oxidized ingenol, use thereof in the prevention and/or treatment of a disease associated with proliferation or tumor in a subject, or a cosmetic indication, and use thereof in the prevention and/or treatment of a disease responsive to neutrophil oxidative burst, a disease responsive to a release of IL-8 by keratinocyte, or a disease responsive to induction of necrosis.
    Type: Application
    Filed: June 7, 2018
    Publication date: May 20, 2021
    Applicant: Tianjin Zhongxin Pharmaceutical Group Corp., LTD. Research Institute Branch Company
    Inventors: Xiao Wu, Qin Pan, Yanyun Li, Yu Yang, Yuzhen Guan, Xiaolei Wu, Chuanteng Sun, Yuan Wang
  • 13-OXIDIZED INGENOL DERIVATIVE AND USE THEREOF
    Publication number: 20200140369
    Abstract: The present invention relates to a derivative of 13-oxidized ingenol, use thereof in the prevention and/or treatment of a disease associated with proliferation or tumor in a subject, or a cosmetic indication, and use thereof in the prevention and/or treatment of a disease responsive to neutrophil oxidative burst, a disease responsive to a release of IL-8 by keratinocyte, or a disease responsive to induction of necrosis.
    Type: Application
    Filed: June 7, 2018
    Publication date: May 7, 2020
    Applicant: Tianjin Zhongxin Pharmaceutical Group Corp., LTD. Research Institute Branch Company
    Inventors: Xiao Wu, Qin Pan, Yanyun Li, Yu Yang, Yuzhen Guan, Xioalei Wu, Chuanteng Sun, Yuan Wang